EP 3822463 A1 20210519 - EXHAUST COMPONENT WITH LOUVER BRIDGE FOR SUPPRESSING VEHICLE EXHAUST PIPE RESONANCES AND VEHICLE EXHAUST SYSTEM WITH EXHAUST COMPONENT
Title (en)
EXHAUST COMPONENT WITH LOUVER BRIDGE FOR SUPPRESSING VEHICLE EXHAUST PIPE RESONANCES AND VEHICLE EXHAUST SYSTEM WITH EXHAUST COMPONENT
Title (de)
AUSPUFFKOMPONENTE MIT LAMELLENBRÜCKE ZUR UNTERDRÜCKUNG VON FAHRZEUGAUSPUFFROHRRESONANZEN UND FAHRZEUGAUSPUFFANLAGE MIT AUSPUFFKOMPONENTE
Title (fr)
COMPOSANT D'ÉCHAPPEMENT DOTÉ D'UN PONT À PERSIENNES POUR SUPPRIMER LES RÉSONANCES D'UN TUYAU D'ÉCHAPPEMENT DE VÉHICULE ET SYSTÈME D'ÉCHAPPEMENT DE VÉHICULE COMPORTANT LE COMPOSANT D'ÉCHAPPEMENT
Publication
Application
Priority
US 201916683710 A 20191114
Abstract (en)
An exhaust system component (18) includes a pipe having a pipe wall (12) with an inner surface defining an exhaust gas passage and with an outer surface and a louver bridge portion (18) formed in the pipe wall (12). The louver bridge portion (18) has bridge ends (21) transitioning from adjacent pipe wall portions to a bridge raised portion (19) with raised side edges (22) detached from adjacent opening side edges (20) of the pipe wall (12). Each bridge side edge (22) is radially outward of the adjacent opening side edge (20) of the pipe wall (12) to define a louver opening (30) at each of two opposite sides of the louver bridge portion (18). Fluid communication through the two louver openings (30), between the exhaust gas passage and an exterior of the component, attenuates resonant frequencies generated during operation of an exhaust system to which the exhaust system component (10) is connected.
IPC 8 full level
F01N 1/00 (2006.01); F01N 1/08 (2006.01); F01N 13/08 (2010.01); F01N 13/18 (2010.01)
CPC (source: CN EP US)
F01N 1/00 (2013.01 - EP); F01N 1/02 (2013.01 - US); F01N 1/08 (2013.01 - EP); F01N 13/00 (2013.01 - CN); F01N 13/08 (2013.01 - CN EP); F01N 13/18 (2013.01 - CN); F01N 13/1872 (2013.01 - EP US); F01N 2470/04 (2013.01 - EP US)
Citation (applicant)
US 9970340 B2 20180515 - ABRAM KWIN [US], et al
Citation (search report)
- [X] JP S5348905 U 19780425
- [X] EP 2336518 A2 20110622 - EBERSPAECHER J GMBH & CO [DE]
- [A] US 4192401 A 19800311 - DEAVER DON A [US], et al
- [A] EP 3073076 A1 20160928 - TOYOTA MOTOR CO LTD [JP]
- [A] US 6341664 B1 20020129 - GERBER JAMES E [US]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3822463 A1 20210519; CN 112796863 A 20210514; CN 112796863 B 20221014; US 11300021 B2 20220412; US 2021148261 A1 20210520
DOCDB simple family (application)
EP 20156809 A 20200212; CN 202010288105 A 20200414; US 201916683710 A 20191114